The U.S. Navy’s Virginia-class is the world’s best attack submarine. It blends the lethality of the Seawolf with revolutionary adaptability. -Its five key advantages are: versatility in both deep ...

By using two propellers that rotate in opposite directions, a ship can use less energy to move forward. New knowledge means ...

Discover how a redesigned toroidal propeller could revolutionize efficiency across various applications. By altering the ...

A boat’s propeller is one of its most crucial components, yet it’s often overlooked until problems arise. Proper maintenance ...

According to a complaint, Catherine Viteri, 11, severely injured her leg while swimming during a summer camp session when she was ran over by a motorboat operated by a counselor in July of this year ...